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Concept Breadcrumbs

Preferred Term:

hormones

Definition:
Chemical substances having a specific regulatory effect on the activity of a certain organ or organs. The term is applied to substances secreted by various endocrine glands and transported in the bloodstream to the target organs, and is also extended to include those substances that are not produced by the endocrine glands but that have similar effects.
Concept Schemes:
https://lod.nal.usda.gov/nalt
NALT Core
Entry Terms:
  • animal hormones
URI:
https://lod.nal.usda.gov/nalt/517
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RDF/XMLCreated 2006-01-19, last modified 2015-01-30